Home / 67,147,079.80-100,720,619.70-46,739,745.40

Finding the Fourth Proportional to 67,147,079.80, 100,720,619.70 and 46,739,745.40

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Solution

The fourth proportional to 67,147,079.80, 100,720,619.70 and 46,739,745.40 is: 70,109,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,079.80 : 100,720,619.70 = 46,739,745.40 : x
  2. Step 2: Convert to fraction form
    67,147,079.80/100,720,619.70 = 46,739,745.40/x
  3. Step 3: Cross multiply
    67,147,079.80x = 100,720,619.70 × 46,739,745.40
  4. Step 4: Simplify right side
    67,147,079.80x = 4,707,656,121,308,224
  5. Step 5: Solve for x
    x = 4,707,656,121,308,224/67,147,079.80
  6. Step 6: Final answer
    x = 70,109,618.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.